Problems

	Submissions				Users
Name	Total	Acc.	Ratio	Fastest	Total	Acc.	Ratio	Difficulty
0-1 Sequences	1677	322	19%	0.01	393	233	59%	6.5
10 Kinds of People	2885	621	22%	0.01	514	351	68%	5.0
2048	2865	1456	51%	0.00	1409	1211	86%	2.2
3D Printed Statues	373	234	63%	0.00	175	163	93%	1.9
3D Printer	127	34	27%	0.00	41	27	66%	5.5
3-Sided Dice	696	45	6%	0.00	119	38	32%	8.7
4 thought	2371	807	34%	0.00	821	676	82%	3.0
A1 Paper	1715	536	31%	0.00	527	413	78%	3.7
Aaah!	9299	4566	49%	0.00	3908	3655	94%	1.5
ABC	1572	776	49%	0.00	764	692	91%	1.7
A+B Problem	1979	206	10%	0.06	335	120	36%	8.3
Absurdistan Roads II	409	147	36%	0.00	137	92	67%	6.6
Absurdistan Roads III	869	222	26%	0.04	210	153	73%	5.8
A Classy Problem	2313	649	28%	0.02	601	482	80%	3.8
ACM Contest Scoring	2314	1454	63%	0.00	1304	1242	95%	1.4
Adding Words	2873	584	20%	0.00	683	483	71%	4.3
A Different List Game	3557	257	7%	0.00	425	74	17%	9.2
A Different Problem	11015	4518	41%	0.00	4192	3642	87%	1.9
Adjoin the Networks	704	213	30%	0.00	188	139	74%	6.1
Administrative Difficulties	341	83	24%	0.05	98	67	68%	5.2
Adventures in Moving -- Part IV	424	133	31%	0.00	129	109	84%	4.8
A Favourable Ending	427	77	18%	0.01	120	69	57%	6.3
A Feast For Cats	560	194	35%	0.56	150	125	83%	4.3
Air Conditioned Minions	1667	465	28%	0.00	504	372	74%	4.2
Airline Hub	1014	192	19%	0.01	191	116	61%	5.8
Airport Construction	1490	165	11%	0.05	138	78	57%	6.1
Airport Logistics	30	6	20%	0.00	10	6	60%	7.7
Airports	114	36	32%	0.23	32	23	72%	7.4
Akcija	1449	634	44%	0.01	602	523	87%	2.1
Aladin	587	49	8%	0.17	85	14	16%	8.8
Alchemy	31	8	26%	0.03	17	8	47%	8.0
Alea iacta est	22	11	50%	0.47	11	10	91%	5.1
Alien Numbers	859	452	53%	0.00	438	401	92%	1.7
A List Game	3138	909	29%	0.00	861	705	82%	3.2
All about that base	1560	558	36%	0.00	614	503	82%	2.9
All Different Directions	248	127	51%	0.00	131	115	88%	2.5
Allergy Test	147	53	36%	0.00	35	19	54%	7.3
All Friends	416	78	19%	0.01	63	38	60%	8.2
All Just A Dream	525	117	22%	0.07	94	65	69%	6.7
All Pairs Shortest Path	2100	390	19%	0.04	283	180	64%	6.5
Almost Perfect	1849	452	24%	0.00	487	373	77%	3.3
Almost Union-Find	2696	363	13%	0.03	439	196	45%	7.7
Alphabet Spam	2603	1708	66%	0.00	1140	1096	96%	1.4
Alternative Bracket Notation	157	67	43%	0.00	70	60	86%	5.2
Amalgamated Artichokes	2159	950	44%	0.01	852	749	88%	2.4
Amanda Lounges	773	186	24%	0.07	178	129	72%	6.0
Amazing Race	189	51	27%	0.54	56	40	71%	6.3
Ambiguous Result	96	28	29%	0.04	37	27	73%	6.5
Anagram Counting	934	378	40%	0.00	385	314	82%	3.0
Andrew the Ant	61	19	31%	0.10	25	17	68%	6.3
Androids	227	84	37%	0.09	95	67	71%	5.0
A New Alphabet	4167	1900	46%	0.00	1840	1716	93%	1.5
Animal Classification	979	189	19%	0.04	191	122	64%	6.7
An Industrial Spy	733	395	54%	0.02	300	261	87%	3.2
Another Brick in the Wall	782	430	55%	0.00	429	387	90%	2.0
Another Candies	3300	883	27%	0.00	935	756	81%	2.9
Another Dice Game	55	39	71%	0.00	35	33	94%	3.6
Anthony and Cora	245	64	26%	0.01	89	57	64%	5.3
Antiarithmetic?	497	107	22%	0.18	143	88	62%	6.4
Ants	1029	403	39%	0.01	354	297	84%	2.9
Apaxiaaaaaaaaaaaans!	3707	2312	62%	0.00	2094	2004	96%	1.3
Apparatus	448	104	23%	0.01	85	62	73%	5.6
Apple Market	243	51	21%	0.19	59	28	47%	7.9
Apples, Cherries, and Mangos	227	71	31%	0.02	66	53	80%	6.1
Aquarium Tank	191	55	29%	0.00	57	43	75%	5.1
Aqueduct Construction	53	12	23%	0.01	14	11	79%	7.2
Arable Area	180	32	18%	0.08	39	22	56%	7.9
A Rational Sequence	638	239	37%	0.00	238	196	82%	3.9
A Rational Sequence 2	365	276	76%	0.00	273	264	97%	1.5
Arbitrage?	361	77	21%	0.05	63	49	78%	5.1
Arcade!	748	121	16%	0.01	123	87	71%	5.5
Arctic Network	764	281	37%	0.02	214	182	85%	4.0
A Real Challenge	2315	1165	50%	0.00	1127	1070	95%	1.4
Area of Effect	78	8	10%	4.74	13	6	46%	7.9
Arithmetic	584	123	21%	0.01	151	97	64%	5.3
Army Strength (Easy)	1415	749	53%	0.00	639	584	91%	1.8
Army Strength (Hard)	1686	808	48%	0.01	582	511	88%	2.5
Around and Around We Go	9	3	33%	0.00	5	3	60%	8.2
Around the Track	168	26	15%	0.00	38	18	47%	8.4
Arranging Hat	102	48	47%	0.10	47	41	87%	4.2
Artur	138	24	17%	0.17	30	19	63%	6.0
Artwork	387	137	35%	0.07	140	87	62%	5.8
A Safe Bet	146	47	32%	0.27	41	34	83%	5.5
ASCII Figure Rotation	770	219	28%	0.00	240	200	83%	3.8
As Easy as CAB	160	37	23%	0.00	37	27	73%	6.1
Aspen Avenue	668	248	37%	0.01	145	108	74%	6.0
Assembly Line	25	10	40%	0.68	12	8	67%	7.1
Assigning Workstations	646	213	33%	0.12	216	170	79%	4.6
Association for Computing Machinery	1033	414	40%	0.00	404	351	87%	2.1
Association for Control Over Minds	626	215	34%	0.08	212	178	84%	3.8
Association for Convex Main Office	386	97	25%	0.08	98	78	80%	6.2
Association for Cool Machineries (Part 1)	510	100	20%	0.04	132	85	64%	6.8
Association for Cool Machineries (Part 2)	33	21	64%	0.00	21	19	90%	4.1
Association for the Country of Mububa	1007	226	22%	0.00	265	172	65%	5.9
Association of Camera Makers	105	5	5%	10.56	8	5	62%	8.4
Association of Cats and Magical Lights	1080	235	22%	0.23	214	160	75%	5.3
Association of Computer Maintenance	711	89	13%	0.04	75	45	60%	7.8
Asteroid Rangers	62	33	53%	0.10	24	23	96%	4.4
Asteroids	451	82	18%	0.00	51	42	82%	4.6
A Towering Problem	801	411	51%	0.00	418	374	89%	2.0